python列表(list)常用方法

#!/usr/bin/env python
# -*- coding:utf-8 -*-

a = [1, 2, 3, 4, 5]

# 索引
print(a[0], a[1], a[2], a[3], a[4])
print('-'*20)

# 切片
print(a[:])
print(a[:3])
print(a[0], a[1], a[2], a[3], a[4])
print(a[-1], a[-2], a[-3], a[-4], a[-5])
print('-'*20)

# append
a.append(6)
print("append",a)

# remove
a.remove(6)
print("remove",a)

# del
del a[-1]
print("del",a)

# pop
a.pop()
print("pop",a)

# extend
a.extend([4,5,6])
print("extend",a)

# copy
c = a.copy()
print("copy",c)

# reverse
a.reverse()
print("reverse:",a)

# sort
a.sort()
print("sort:",a)

# count
print("count:",a.count(2))

# index
print("index:",a.index(5))